Home / 15,545.70-23,318.55-13,731.30

Finding the Fourth Proportional to 15,545.70, 23,318.55 and 13,731.30

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Solution

The fourth proportional to 15,545.70, 23,318.55 and 13,731.30 is: 20,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.70 : 23,318.55 = 13,731.30 : x
  2. Step 2: Convert to fraction form
    15,545.70/23,318.55 = 13,731.30/x
  3. Step 3: Cross multiply
    15,545.70x = 23,318.55 × 13,731.30
  4. Step 4: Simplify right side
    15,545.70x = 320,194,005.62
  5. Step 5: Solve for x
    x = 320,194,005.62/15,545.70
  6. Step 6: Final answer
    x = 20,596.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.